Is “Cupel” a Scrabble word?
Yes
CUPEL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Cupel
/ˈkjuːpəl/
noun
1.A small circular receptacle used in assaying gold or silver with lead.
verb
1.To refine by means of a cupel.